CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

ArrowMark Colorado Holdings LLC's Holding History (CIK: 0001483859)

Note: Option positions (PUT/CALL) are excluded.

Q1 2022

Shares 203,300 Value ($000) $9,120 Avg Close $41.32 Range $31.46 - $48.40

Q4 2021

Shares 191,225 Value ($000) $8,198 Avg Close $52.25 Range $37.99 - $68.65

Q3 2021

Shares 51,233 Value ($000) $3,407 Avg Close $70.37 Range $57.64 - $78.58

Q2 2021

Shares 50,844 Value ($000) $3,728 Avg Close $66.05 Range $48.01 - $78.92

Q1 2021

Shares 60,678 Value ($000) $4,154 Avg Close $75.16 Range $56.74 - $107.69

Q4 2020

Shares 65,784 Value ($000) $4,417 Avg Close $54.21 Range $43.37 - $78.39

Q3 2020

Shares 88,219 Value ($000) $4,539 Avg Close $44.49 Range $36.15 - $52.41

Q2 2020

Shares 93,975 Value ($000) $3,542 Avg Close $34.17 Range $25.07 - $44.53

Q1 2020

Shares 88,523 Value ($000) $2,639 Avg Close $30.17 Range $21.01 - $36.39

Q4 2019

Shares 78,655 Value ($000) $2,703 Avg Close $24.45 Range $15.26 - $39.77

Q3 2019

Shares 70,000 Value ($000) $1,266 Avg Close $22.17 Range $17.10 - $28.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	203,300	$9,120	$41.32	$31.46 - $48.40
Q4 2021	191,225	$8,198	$52.25	$37.99 - $68.65
Q3 2021	51,233	$3,407	$70.37	$57.64 - $78.58
Q2 2021	50,844	$3,728	$66.05	$48.01 - $78.92
Q1 2021	60,678	$4,154	$75.16	$56.74 - $107.69
Q4 2020	65,784	$4,417	$54.21	$43.37 - $78.39
Q3 2020	88,219	$4,539	$44.49	$36.15 - $52.41
Q2 2020	93,975	$3,542	$34.17	$25.07 - $44.53
Q1 2020	88,523	$2,639	$30.17	$21.01 - $36.39
Q4 2019	78,655	$2,703	$24.45	$15.26 - $39.77
Q3 2019	70,000	$1,266	$22.17	$17.10 - $28.50